john king has been looking at the latest numbers. what else does it tell you? >> it's important to look at this poll. thest a small lead. that's yet another poll the president's kept that narrow lead in ohio. you mentioned the horse race. here's one of the biggest factors. in a battleground state like this, the president's getting the democrats, romney's getting a republicans, the candidate who wins among independents is reichlreic likely to win. that is critical the watch in the last week to election day. there's also an age divide. it's important as well. you see a huge leap for the president. 56-38, among voters under 50. that's an important part of his constituency. republicans need the older voters by 2i-46. governor romney would like that to be bigger. there's also a racial and gender gap, if you will. i want to put it this way. the president is, if he is above 40% in the white vote, he tends to win a state because of the demographics like ohio. you see them here, 41% of white men, 46% of white women. if the president can hold those numbers, it's most lik